document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1210263>Question 1210263</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A water gallon weighs 5 kg when it is filled with water. When the gallon is half empty, it weighs 2.6 kg. How much does the gallon weigh when it is empty? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #851768 by </B><A HREF=/tutors/aboutme.mpl?userid=timofer><B>timofer(104)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=timofer><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=851768\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> You wrote that wrong.  Say it like this:\r<BR>\n" );
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document.write( "A water container \"weighs\" 5 kg when filled full with water.  When the container is half empty, it holds 2.6 kg of water.  \r<BR>\n" );
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document.write( "x, amount filled<BR>\n" );
document.write( "y, how much kilograms in container\r<BR>\n" );
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document.write( "Two points are   (0.5, 2.6) and (1, 5).\r<BR>\n" );
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document.write( "Slope would be <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=m=%285-2.6%29%2F%281-0.5%29=4.8 ALIGN=MIDDLE  ALT=\"m=%285-2.6%29%2F%281-0.5%29=4.8\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
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document.write( "Point-Slope equation format could be used.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y-5=4.8%28x-1%29 ALIGN=MIDDLE  ALT=\"y-5=4.8%28x-1%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y-5=4.8x-4.8 ALIGN=MIDDLE  ALT=\"y-5=4.8x-4.8\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=4.8x-4.8%2B5 ALIGN=MIDDLE  ALT=\"y=4.8x-4.8%2B5\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=4.8x%2B0.2 ALIGN=MIDDLE  ALT=\"y=4.8x%2B0.2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "So if container were empty, x=0, so y=0.2.<BR>\n" );
document.write( "The container is  0.2 kg when empty. </SPAN>\n" );
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